Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 2 - Section 2.3 - Acceleration - Got It? - Page 22: 2.3



Work Step by Step

The acceleration is always in the direction of the change in velocity. The elevator is slowing up in the positive direction, meaning that the acceleration is initially downward. Then, the elevator begins speeding up downward. SInce it is speeding up as it goes downward, the acceleration is once again downward.
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